لسان العرب لابن منظور is a free Android application developed by So Smart Apps in the Education & Reference category. The app is a digital version of the famous Arabic language book "Lisan Al-Arab" written by Ibn Manzur. The book is a comprehensive reference for the Arabic language and includes 15 volumes.

The app has a powerful search feature that allows users to search for any word or phrase in the entire book or in specific subcategories. Users can also adjust the font size, color, and style to their preference, choose from hundreds of background colors, and even set their own custom background image. The app has various menus, including a list of the main categories, a list of chapters for each book, and a favorite section where users can save their favorite books and chapters. Additionally, the app includes a note-taking section for users to jot down their thoughts and ideas. Overall, لسان العرب لابن منظور is a useful app for anyone interested in the Arabic language and its rich history.